Which statement about electrolysis is correct?
Electrons move through the electrolyte from the cathode to the anode.
Electrons move in the external circuit towards the cathode.
Negative ions move in the external circuit towards the anode.
Positive ions move through the electrolyte towards the anode.
B
Which substance is not produced during the electrolysis of concentrated aqueous sodium chloride?
chlorine
hydrogen
sodium
sodium hydroxide
C
An object is electroplated with silver using an aqueous silver salt as the electrolyte.
Which row is correct?
the object to be
electroplated is the
the other electrode
is made from
anode
carbon
anode
silver
cathode
carbon
cathode
silver
D